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Geoffrey P. Colby, M.D., Ph.D.

Geoffrey Philip Colby, M.D., Ph.D.
Assistant Professor of Neurosurgery

Male  | Languages: English, Spanish

Appointment Phone

410-955-2438

Main Location

The Johns Hopkins Hospital

Out-of-State & International Patients +
Out of State Patients

Call 410-464-6641 (8a.m. to 6p.m., EST, Mon-Fri)

Learn more about our out-of-state patient services »

International Patients

Call +1-410-502-7683 (7a.m. to 6p.m., EST, Mon-Fri)

Learn more about our international patient services »

Titles

  • Assistant Professor of Neurosurgery
  • Assistant Professor of Neurology
  • Assistant Professor of Radiology and Radiological Science

Centers & Institutes

Departments

Locations

The Johns Hopkins Hospital

Appointment Phone: 410-955-2438

600 N. Wolfe Street
Sheikh Zayed Tower 6115C
Baltimore, MD 21287 map
Phone: 410-955-2438
Fax: 443-287-0338

The Johns Hopkins Hospital

600 N. Wolfe Street
Carnegie 446D1
Baltimore, MD 21287 map

Johns Hopkins Bayview Medical Center

4940 Eastern Avenue
Baltimore, MD 21224 map
Phone: 410-550-0100

Johns Hopkins Bayview Medical Center

GI Clinic
4940 Eastern Avenue
A Building, 5th floor
Baltimore, MD 21224 map

Johns Hopkins Bayview Medical Center

4940 Eastern Avenue
Oculoplastics, Room A623
Baltimore, MD 21224 map

Expertise

Acute Stroke Care, Aneurysm Repair, Aneurysms, Arteriovenous Fistulas, Arteriovenous Malformations, Brain Tumors, Carotid Artery Stenosis, Carotid Artery Stenting, Cavernous Malformations, Cerebral Aneurysms, Dural Arteriovenous Fistulas, Endovascular Surgery, Moyamoya Disease, Neurosurgery, Stroke, Subarachnoid Hemorrhage

Research Interests

Improve and develop novel endovascular devices and techniques for treatment of cerebrovascular pathology, and understand how these devices interact with native blood vessel

Biography

With combined training in open neurosurgery, endovascular neurosurgery, and interventional neuroradiology, Dr. Colby focuses on the surgical and endovascular treatment of aneurysms, arteriovenous malformations (AVMs), cavernous malformations, and dural arteriovenous fistulas (dAVFs) of the brain and spinal cord. These treatments include the most modern and sophisticated endovascular techniques of aneurysm flow diversion.

Dr. Colby has expertise in the pre-operative embolization of solid brain and spinal tumors. He also uses the latest surgical and endovascular techniques to treat patients with carotid artery stenosis, acute stroke, intracerberal hemorrhage (ICH), subarachnoid hemorrhage (SAH) and moyamoya disease.

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Featured Video

Meet our Experts: Dr. Geoffrey Colby

Dr. Geoffrey Colby focuses on the surgical and endovascular treatment of aneurysms, arteriovenous malformations, cavernous malformations, dural arteriovenous fistulas.

More Videos

    Additional Information

  • Education +

    Degrees

    • Columbia University College of Physicians and Surgeons / MD (2006)

    Residencies

    • Johns Hopkins University School of Medicine / Neurosurgery (2013)

    Certifications

    • American Board of Neurological Surgery
  • Research & Publications +

    Research Summary


    Through his research, Dr. Colby seeks to improve and develop novel endovascular devices and techniques for treatment of cerebrovascular pathology. He also seeks to understand how these devices interact with native blood vessels. Dr. Colby has published extensively in the field of endovascular aneurysm treatment using the flow diversion technique, as well as stroke and subarachnoid hemorrhage (SAH).

  • Academic Affiliations & Courses +
  • Activities & Honors +
  • Videos & Media +

    Videos

    Patient story: Brain Arteriovenous Malformation (AVM), William’s Story

    Recent News Articles & Media Coverage

    The Power of Compassion, Dome, 05/01/2014

    Adding Stent During Minimally Invasive Surgery To Repair Aneurysms Prevents Recurrence, NeuroNow (Spring 2013)

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